Guitar holder



FIG. 1 is a bottom perspective view of a guitar holder showing my new design with broken line environmental matter included for illustrative purposes only;

FIG. 2 is a top perspective view,

FIG. 3 is a bottom plan view,

FIG. 4 is a side elevational view, and

FIG. 5 is an elevational end view. 

The ornamental design for a guitar holder, as shown and described. 